Sustainability calendar
All awareness days on sustainability, climate, nature, ecology, society and nonprofits in one calendar. Handy for planning your content, campaigns and events.
Awareness days in July 2026
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Keti Koti
Commemoration and celebration of the abolition of slavery.
Social Impact Netherlands -
Plastic Free July begins
A month of using as little single-use plastic as possible.
Circularity & consumption International -
International Plastic Bag Free Day
A day without plastic bags.
Circularity & consumption International -
World Population Day
UN day on population growth and development.
Social Impact International -
Nelson Mandela International Day
67 minutes of volunteering for Mandela's 67 years of service.
Nonprofits & volunteers International -
Earth Overshoot Day
The day we've used up this year's natural resources. Announced every year; in 2025 it was July 24.
Climate & energy International Approximate date -
International Day for the Conservation of the Mangrove Ecosystem
UNESCO day for preserving mangrove forests.
Nature & ecology International -
World Nature Conservation Day
Spotlight on protecting natural resources.
Nature & ecology International -
International Tiger Day
Spotlight on the endangered tiger.
Nature & ecology International
Days marked approximate date are set each year by the organizer. Missing a day? Let us know.